Manhattan MAO Engineer

Manhattan MAO Lead Engineer Duration: 6-month contract Location: Canada (Remote) About the Role We are seeking an experienced Manhattan MAO Lead Engineer with deep expertise in Manhattan Active Order Management (MAO) and Order Management Systems (OMS). In this role, you will be responsible for designing, developing, and implementing custom extensions on Manhattan OMS and MAO, as well as integrating these solutions with distributed order management, supply chain intelligence, and fulfillment operations. The ideal candidate brings strong hands-on technical experience, solution architecture capabilities, and a solid understanding of complex order management and supply chain environments. What You'll Do Manhattan OMS & MAO Implementation Design, develop, and maintain custom extensions on Manhattan Active Order Management (MAO) and OMS. Configure and manage Distributed Order Management (DOM), Enterprise Order Management (EOM), and Available to Commerce (ATC) functionalities. Implement and optimize supply chain intelligence and order fulfillment workflows. Integration & Custom Development Build custom extensions and enhancements to support unique business requirements. Integrate Manhattan OMS with payment processing, fraud detection, tax systems, warehouse management, and ERP platforms. Develop and optimize REST API integrations to improve system performance and connectivity. Data & Reporting Configure Supply Chain Intelligence (SCI) reporting and develop custom reports and dashboards. Work with SQL, JSON, and Java to manage and support order-related data across the technology ecosystem. Solution Architecture & Technical Leadership Provide technical leadership in architecting and integrating Manhattan OMS solutions. Guide development teams on best practices for customization, performance optimization, and scalability. Collaborate with business stakeholders to translate order management and supply chain requirements into technical solutions. What You'll Need Required Qualifications 5+ years of experience working with Manhattan Distributed Order Management, including DOM, EOM, ATC, and SCI. Strong knowledge of Manhattan Active Order Management (MAO) and custom extension development. Expertise in Java, SQL, REST APIs, and JSON. Deep understanding of supply chain, fulfillment, and order orchestration. Proven experience in system architecture, integration design, and scalability. Experience working within Agile and Waterfall software development methodologies. Hands-on experience integrating payment processing, fraud detection, tax, warehouse management, and ERP systems. Why Consider This Opportunity? Opportunity to work on complex enterprise order management and supply chain initiatives. Exposure to modern commerce, fulfillment, and integration technologies. Opportunities for professional development and technical growth. Collaborative environment with opportunities to work alongside cross-functional teams.